com32/gplinclude/acpi/acpi.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2009-2011 Erwan Velu - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8  *   Boston MA 02111-1307, USA; either version 2 of the License, or
   9  *   (at your option) any later version; incorporated herein by reference.
  10  *
  11  * ----------------------------------------------------------------------- */
  12
  13 #ifndef ACPI_H
  14 #define ACPI_H
  15
  16 #define DEBUG_ACPI 0
  17
  18 void dbg_printf(const char *fmt, ...);
  19 #define DEBUG_PRINT(x) do { if (DEBUG_ACPI) dbg_printf x; } while (0)
  20
  21 #include <inttypes.h>
  22 #include <stdbool.h>
  23 #include <acpi/structs.h>
  24 #include <acpi/rsdp.h>
  25 #include <acpi/rsdt.h>
  26 #include <acpi/xsdt.h>
  27 #include <acpi/fadt.h>
  28 #include <acpi/madt.h>
  29 #include <acpi/dsdt.h>
  30 #include <acpi/ssdt.h>
  31 #include <acpi/sbst.h>
  32 #include <acpi/ecdt.h>
  33 #include <acpi/facs.h>
  34 #include <acpi/hpet.h>
  35 #include <acpi/tcpa.h>
  36 #include <acpi/mcfg.h>
  37 #include <acpi/slic.h>
  38 #include <acpi/boot.h>
  39
  40 enum { ACPI_FOUND = 1, ENO_ACPI = 2 , MADT_FOUND = 3 , ENO_MADT = 4 };
  41
  42 #define MAX_SSDT 128
  43
  44 /* Some other description HEADERS : ACPI doc: 5.2.6*/
  45 #define OEMX "OEMx"
  46 #define SRAR "SRAT"
  47 #define BERT "BERT"
  48 #define BOOT "BOOT"
  49 #define CPEP "CPEP"
  50 #define DBGP "DGBP"
  51 #define DMAR "DMAR"
  52 #define ERST "ERST"
  53 #define ETDT "ETDT"
  54 #define HEST "HEST"
  55 #define HPET "HPET"
  56 #define IBFT "IBFT"
  57 #define MCFG "MCFG"
  58 #define SPCR "SPCR"
  59 #define SPMI "SPMI"
  60 #define TCPA "TCPA"
  61 #define UEFI "UEFI"
  62 #define WAET "WAET"
  63 #define WDAT "WDAT"
  64 #define WDRT "WDRT"
  65 #define WSPT "WSPT"
  66 #define SLIC "SLIC"
  67
  68 /* This macro are used to extract ACPI structures
  69  * please be careful about the q (interator) naming */
  70 #define cp_struct(dest) memcpy(dest,q,sizeof(*dest)); q+=sizeof(*dest)
  71 #define cp_str_struct(dest) memcpy(dest,q,sizeof(dest)-1); dest[sizeof(dest)-1]=0;q+=sizeof(dest)-1
  72
  73 typedef struct {
  74     s_rsdp rsdp;
  75     s_rsdt rsdt;
  76     s_xsdt xsdt;
  77     s_fadt fadt;
  78     s_madt madt;
  79     s_dsdt dsdt;
  80     s_ssdt *ssdt[MAX_SSDT];
  81     uint8_t ssdt_count;
  82     s_sbst sbst;
  83     s_ecdt ecdt;
  84     s_facs facs;
  85     s_hpet hpet;
  86     s_tcpa tcpa;
  87     s_mcfg mcfg;
  88     s_slic slic;
  89     s_boot boot;
  90 } s_acpi;
  91
  92 int parse_acpi(s_acpi * acpi);
  93 int parse_xsdt(s_acpi * acpi);
  94 void parse_madt(s_acpi * acpi);
  95 int search_rsdp(s_acpi *acpi);
  96 void get_acpi_description_header(uint8_t *q, s_acpi_description_header * adh);
  97 bool parse_header(uint64_t *address, s_acpi *acpi);
  98 char *flags_to_string(char *buffer, uint16_t flags);
  99 #endif